US Plant Patent PP18459
Wheeling
Avocado tree named ‘Wheeling’
PUBLIC DOMAIN
Patent expired March 30, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 17, 2025. This patent earned 225 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18459
- Filed
- August 17, 2005
- Granted
- January 22, 2008
- Expires
- March 30, 2026
- Assignee
- BROOKS NEAL PALMER
- Inventor
- BROOKS NEAL PALMER
Abstract
The Wheeling' avocado, which is a result of cross-pollination of the ‘Monroe’ and the ‘Brooks Late’ varieties, is of medium size, average 12-16 ounces and being about 4.75 inches in length, and has overall good eating qualities. The fruit matures and can be picked in February to early March. The fruit is an ovate berry that has a hard shelled, smooth textured, exocarp that is dark green.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of avocado tree substantially as described and illustrated and characterized as to novelty by its overall good eating qualities, its medium size and its being ready to be picked in February to early March.
Read the full patent: US Plant Patent PP18459 in full — the complete specification, every figure, and the file history.